TU Berlin

Quality and Usability LabIna Wechsung

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Ina Wechsung


Research Field:


Research Topics:

• Usability Evaluation Methods
• Usability Evaluation Of Multimodal Systems
• Usable Privacy & Security


Ina Wechsung is working as a research assistant (Wissenschaftlicher Mitarbeiter) at the Quality and Usability Lab of Deutsche Telekom Laboratories, TU-Berlin. She studied Psychology and received her diploma degree in 2006 from the Chemnitz University of Technology.


Quality and Usability Lab
Deutsche Telekom Laboratories
TU Berlin
Ernst-Reuter-Platz 7
D-10587 Berlin, Germany



Multimodal Interaction: A Suitable Strategy for Including Older Users?
Zitatschlüssel naumann2010b
Autor Naumann, Anja and Wechsung, Ina and Hurtienne, Jörn
Seiten 465–474
Jahr 2010
ISSN ISSN 0953-5438
DOI doi:10.1016/j.intcom.2010.08.005
Journal Interacting with Computers
Jahrgang 22
Nummer 6
Zusammenfassung The major promise of multimodal user interfaces for older users is that they have the choice to select the input modality (or combination of modalities) that best fits their needs and capabilities. Two studies investigated if multimodal interfaces with touch, speech, and motion control fulfil the expectation of being superior to the interaction with single modalities in a mobile device regarding efficiency, robustness, and user satisfaction. The results of both studies show a superiority of multimodality over the single modalities speech and motion control and a slight advantage over touch, which was the modality most frequently used even in the multimodal condition in which any modality or a modality combination could be chosen. Differences between old and young users were only shown for motion control which turned out to be less suitable for older people. The major promise of multimodality for inclusive design thus does not seem warranted so far. However, other applications and contexts of use need to be investigated.
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